A pair of glasses with dual functions, eliminating the need to switch between blue light glasses and sunglasses. They change color in outdoor light to provide UV protection and quickly fade to clear indoors while offering blue light protection. The lenses are available in a variety of colors, including gray, brown, blue, purple, and pink. They use the latest base and coating photochromic technology, you get the functionality of two lenses for the price of one, making it a highly cost-effective choice.
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